相關(guān)單詞臨近詞Frau, Fraunhofer's line, Fraunhofer corona, fraus omnia vitiat, Fraunhofer's lines, Fraunhofer grating, Fraunhofer doublet, Fraunhofer spectrum, fraunhofer hologram, Fraunhofer condition, Fraunhofer holography 返回 Frauch